Somerset House is a large building situated on the south side of the Strand in central London, overlooking the River Thames, just east of Waterloo Bridge. The central block of the Neoclassical building, the outstanding project of the architect Sir William Chambers, dates from 1776–96. It was extended by classical Victorian wings to north and south. A building of the same name was first built on the site more than two centuries earlier. The East Wing of Somerset House forms part of King's College London.
More detail on the Wikipedia page at [1]. The website is [2].